Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds.
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BMW Z3 M Roadster S54 3.2L Performance Engine Parts
- Camshaft
- Catch Can
- Connecting Rod
- Cooling
- Crankshaft
- Cylinder Head
- Diverter Valve
- Exhaust
- Fueling
- Hoses
- Intake
- Mounts
- Oiling System
- Performance Package
- Pistons
- Pulleys
- Software
- Throttle Controller
- Turbocharger
- Water-Meth
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 8,100rpm, improves throttle response, and improves power output - plus remembers your Sport Mode selection! For use with 91 octane fuel.
This product was last offered at the strikethrough price on
05-02-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Quick connect union T-fitting for 1/4" Nylon
Keep your engine securely mounted
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Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment.
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Designed for race engines
Ultra aggressive race cams
For use in professionally-built S54 race engines
A more aggressive option for your track-focused S54
The JE 12.5:1 pistons for the BMW S54B32 are engineered to elevate performance by boosting the engine's compression ratio. Specs: 12.5:1 Compression - 87.00 mm Bore – 1.271 in. CH, -8.70 CC
This piston ensures seamless fitment and outstanding quality, meeting the highest standards for BMW performance parts. Specs: 11.5:1 Compression, 87.00 mm Bore, 1.220 in. CH, -9.90 CC
BMW S52B32 USA Piston – 86.50 mm Bore – 1.220 in. CH, -25.10 CC
JE Pistons are high-performance forged pistons designed for racing and high-output engines. Known for their durability, precision, and advanced engineering. Specs: 87.50 mm Bore – 1.271 in. CH, -30.00 CC